Birthdays down the generations

in three generations, granny has three children girl1, boy, girl2 girl2's older child (a boy) has the same birthday as girl1, the oldest child in her generation and boy's youngest child (in a family with the same pattern as his own: girl, boy, girl) has the same birthday as girl2, i.e. the last child in a family with the identical pattern. From granny's perspective: her oldest child has the same birthday as her oldest grandchild, and her youngest child has the same birthday as her youngest grandchild (of seven), in a family with the same pattern as her own.
Total votes: 504
Date submitted:Sat, 14 Jan 2012 08:48:32 +0000Coincidence ID:3553